Fully Multi-Coated and BaK-4 Prism Maximize Light Transmittance, Delivering Bright and Clear ImagesHeavy-Duty MagAlu Alloy Offers High Strength, Rugged Durability, Effectively Resisting Shock and Drops50mm Large Objective Lens Enhances Light Gathering Capabilities, Ensuring Visibility in Dim ConditionsDurable Rubber-Armored Housing Provides a Non-slip and Comfortable Grip, Even in Wet ConditionsVersatile 10x50mm Configuration Offers Detailed Views While Maintaining Excellent Stability